Practice using implicit differentiation.

Problem

Assume that y is a function of x .
Find start fraction, d, y, divided by, d, x, end fraction for
x, equals, 10, plus, square root of, x, start superscript, 2, end superscript, plus, y, start superscript, 2, end superscript, end square root .
start fraction, d, y, divided by, d, x, end fraction, equals